I don´t know if I mentioned that I had to raise my needles about 1/8 inch to get it to run right. The K&N filter instructions recommended this. I rebuilt my carbs just by buying new float needle valves and gaskets. I couldn´t get pilot jets. The dealership said that they were unavailable so I just cleaned the old ones out pretty well.As I said earlier,The #120 didn´t allow enough gas flow. Raising the needles took care of the low end problem (1000rpm-4000rpm) and drilling out the jets took care of the high end problem (4000+ rpm).I developed the hesitation at first twist of the throttle when I drilled out the main jets. I think it is getting just a little to much gas as low end. I think the #130 jets will solve the problem but I haven´t got them yet. Harley Davidson solved the slow response problem by adding an accelerator pump. Oh yeah. I raised the needdles by carefully taking a rotary tool and cuting a new small groove for the \